Lyon Management Group, Inc.
ent_2fb0497d334a82377ff075a5
Disclosures
4
State AG · 4 jurisdictions
Multi-filing incidents
1
incidents joining 2+ filings here
Max affected reported
195
nationwide · State AG IN
Leak-site claims
0
none in sample
Identity resolution
- Canonical name
- Lyon Management Group, Inc.
- Normalized
- lyon management— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- No match
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- None on record
Disclosure history (4)newest first
- California State AGas victim2025-03-28
Lyon Management Group, Inc. experienced unauthorized access to its IT network between March 14–15, 2024, during which an unknown actor potentially copied files containing personal information. The company secured its systems, conducted a forensic investigation, notified federal law enforcement, and offered complimentary credit monitoring and identity restoration services through TransUnion. Notice letters were sent on or around March 28, 2025.
- Massachusetts State AGas victim2025-03-28
Lyon Management Group, Inc. reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-03-28. 3 Massachusetts residents were affected.
- Indiana State AGas victim2025-01-29
Lyon Management Group Inc reported a data breach to the Indiana Attorney General. The breach occurred on 2024-03-14 and was reported on 2025-01-29. 1 Indiana residents were affected. 195 individuals affected in total.
- Maryland State AGas victim2025-01-29
Lyon Management Group, Inc. notified the Maryland Attorney General of a data event affecting 4 Maryland residents. An unknown actor accessed systems and potentially copied files containing names, driver's license numbers, and Social Security numbers between March 14-15, 2024. Lyon secured systems, notified federal law enforcement, and provided 12 months of credit monitoring via TransUnion.